Intracranial high-intensity transient signals after homograft or mechanical aortic valve replacement

Journal of Cardiovascular Surgery

Volumn 39, Issue 5, 1998, Pages 613-617

  Lievense, A M ^a   Bakker, S L M ^a   Dippel, D W J ^a   Taams, M A ^a   Koudstaal, P J ^a   Bogers, A J J C ^a  

^a ERASMUS MEDICAL CENTER   (Netherlands)

Author keywords

Aortic valve transplantation; Cerebral arteries physiopathology; Cerebral arteries ultrasonography; Heart valve prosthesis; Transplantation, homologous; Ultrasonography, Doppler transcranial

Indexed keywords

ADULT; AGED; ALLOGRAFT; AORTA VALVE REPLACEMENT; ARTICLE; BJOERK SHILEY VALVE PROSTHESIS; CLINICAL ARTICLE; CONTROLLED STUDY; DOPPLER ECHOCARDIOGRAPHY; ELECTROCARDIOGRAPHY; FEMALE; HEART VALVE PROSTHESIS; HUMAN; MALE; MIDDLE CEREBRAL ARTERY; NEUROLOGIC DISEASE; OUTPATIENT; SAINT JUDE HEART VALVE PROSTHESIS; SIGNAL AVERAGED ELECTROCARDIOGRAPHY; SIGNAL DETECTION;

ADULT; AGED; AGED, 80 AND OVER; AORTIC VALVE; BIOCOMPATIBLE MATERIALS; BLOOD FLOW VELOCITY; BRAIN; CEREBRAL ARTERIES; CEREBROVASCULAR CIRCULATION; FEMALE; FOLLOW-UP STUDIES; HEART VALVE DISEASES; HEART VALVE PROSTHESIS; HUMANS; INTRACRANIAL EMBOLISM AND THROMBOSIS; MALE; MIDDLE AGED; TRANSPLANTATION, HOMOLOGOUS; ULTRASONOGRAPHY, DOPPLER, TRANSCRANIAL;

EID: 0031786292     PISSN: 00219509     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (25)

1. Smith JL, Evans DH, Fan L, Trush AJ, Naylor AR. Processing Doppler ultrasound signals from blood-borne emboli. Ultrasound Med Biol 1994;20:455-62.
2. Georgiadis D, Grosser DG, Quin RO, Nichol JA, Bone I, Lees KR. Intracerebral emboli in patients with carotid disease. Eur J Vasc Surg 1994;8:309-14.
3. Hart RG. Cardiogenic embolism to the brain. Lancet 1992;339:589-94.
4. Grosset DG, Cowburn P, Georgiadis D, Dargie HJ, Faichney A, Lees KR. Ultrasound detection of cerebral emboli in patients with prosthetic heart valves. J Heart Valve Dis 1994;3:128-32.
5. Tegeler CH, Hitching LP, Eicke M, Leighton J, Fredericks RK, Downes TR et al. Microembolic detection in stroke associated with atrial fibrillation. J Cardiovasc Technol 1990;9:283-4.
6. Pugsley W, Klinger L, Paschalis C, Treasure T, Harrison M, Newman S. The impact of microemboli during cardiopulmonary bypass on neuropsychological functioning. Stroke 1994;25:1393-9.
7. Georgiadis D, Grosset DG, Kelman A, Faichney A, Lees KR. Prevalence and characteristics of intracranial microemboli signals in patients with different types of prosthetic cardiac valves. Stroke 1994;25:587-92.
8. Sliwka U, Diehl RR, Meyer B, Schondube F, Noth J. Significance of cerebral emboli in patients with heart valve prosthesis [abstract]. Cerebrovasc Dis 1994;4:239.
9. Georgiadis D, Mackay TG, Kelman AW, Grosset DG, Wheatley DJ, Lees KR. Differentiation between gaseous and formed embolic materials in vivo; applications in prosthetic heart valve patients. Stroke 1994;25:1559-63.
10. Markus H. Transcranial Doppler detection of circulating cerebral emboli. A review. Stroke 1993;24:1246-50.
11. Sliwka U, Job FP, Wissuwa D, Diehl RR, Flachskampf FA, Hanrath PX et al. Occurrence of transcranial Doppler high-intensity transient signals in patients with potential cardiac sources of embolism. A prospective study. Stroke 1995;26:2067-70.
12. Georgiadis D, Kaps M, Berg J, Mackay TG, Dapper F, Faichney A et al. Transcranial Doppler detection of micro-emboli in prosthetic heart valve patients: dependency upon valve type. Eur J Cardiothorac Surg 1996;10:253-8.
13. Braekken SK, Russell D, Brucher R, Svennerig J. Incidence and frequency of cerebral embolic signals in patients with a similar bileaflet mechanical heart valve. Stroke 1995;26:1225-30.
14. Hennerici MG. High-intensity transient signals: evolution or revolution in understanding cerebral embolism? Eur Neurol 1995;35:249-53.
15. Brown NM, Markus HS. Transcranial Doppler detection of asymptomatic cerebral microemboli. J Heart Valve Dis 1994;3:126-7.
16. Grosset DG, Georgiadis D, Stirlings S, Cowburn P, Kelman AW, Faichney A et al. Subclinical embolism in patients undergoing cardiac valve implantation and coronary artery bypass surgery. Eur J Cardiothorac Surg 1994-8:63-6.
17. Georgiadis D, Mallison A, Grosset DG, Lees KR. Coagulation activity and emboli counts in patients with prosthetic cardiac valves. Stroke 1994;25:1211-4.
18. Sturzenegger M, Beer JH, Rihs F. Monitoring combined antithrombotic treatment in patients with prosthetic heart valves using transcranial Doppler and coagulation markers. Stroke 1995;26:63-9.
19. Stein PD, Alpert JS, Copeland J, Dalen JE, Golman S, Turpie AG. Antithrombotic therapy in patients with mechanical and biological prosthetic heart valves. Chest 1992;102:445S-55S.
20. Consensus Committee of the 9th International Cerebral Hemodynamics Symposium. Basic Identification Criteria of Doppler Microembolic Signals. Stroke 1995;6:1123.
21. Russel D, Madden KP, Clark WM, Sandset PM, Zivin JA. Detection of arterial emboli using Doppler ultrasound in rabbits. Stroke 1991;22:253-8.
22. Markus HS, Brown MM. Differentiation between different pathological cerebral embolic materials using transcranial Doppler in an in vivo model. Stroke 1993;24:1-5.
23. Babikian VL, Hyde C, Pochay V, Winter MR. Clinical correlates signals detected on transcranial Doppler sonography in patients with cerebrovascular disease. Stroke 1994;25:1570-3.
24. Grosset DG, Georgiadis D, Abdullah I, Bone I, Lees KR. Doppler emboli signals vary according to stroke subtype. Stroke 1994;25:382-4.
25. Turpie AG, Gent M, Laupacis A, Latour Y, Gunstensen J, Basile F et al. A comparison of aspirin with placebo in patients treated with warfarin after heart-valve replacement. N Engl J Med 1993;329:524-9.